17987072

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{43}}^2$

素因数の和:123

約数の個数: 60

約数和(自身を含む): 38730780

約数和(自身を除く): 20743708

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 64, 76, 86, 128, 152, 172, 256, 304, 344, 512, 608, 688, 817, 1216, 1376, 1634, 1849, 2432, 2752, 3268, 3698, 4864, 5504, 6536, 7396, 9728, 11008, 13072, 14792, 22016, 26144, 29584, 35131, 52288, 59168, 70262, 104576, 118336, 140524, 209152, 236672, 281048, 418304, 473344, 562096, 946688, 1124192, 2248384, 4496768, 8993536, 17987072]

約数ペア:

[(1, 17987072), (2, 8993536), (4, 4496768), (8, 2248384), (16, 1124192), (19, 946688), (32, 562096), (38, 473344), (43, 418304), (64, 281048), (76, 236672), (86, 209152), (128, 140524), (152, 118336), (172, 104576), (256, 70262), (304, 59168), (344, 52288), (512, 35131), (608, 29584), (688, 26144), (817, 22016), (1216, 14792), (1376, 13072), (1634, 11008), (1849, 9728), (2432, 7396), (2752, 6536), (3268, 5504), (3698, 4864)]